I have installed Garmin Mobile XT v5.0 on my HTC Touch HD. I followed the process described on the net but when I try to use any of the functions, like Address it tells me "Detailed maps are required for this operation". I have already loaded all the maps via mapsource onto my device? I used Keygen to generate a device unlock code and copied that to the sw.unl file on my storage card.

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Welcome to FixYa!
To update your map, go to https://my.garmin.com/maps/chooseDeviceType.htm?
Choose your device type. I believe Garmin Mobile XT is under the "Phone Devices".
It will ask you to install the Garmin Communicator Plugin, install it and follow the instructions.
You may need to connect your GPS to the computer during this process.
I'm not quite sure if a road map for Philippines is available though.
Thank you for using FixYa.
Have a great day.
Jas247
Note: CDRKing also released a less expensive GPS tailored for Philippines.

You need to first install activesync, this will then install the USB drivers for XP. Once this is done, then connect your device and your PC should see your mobile.
If you still having problems, trying removing the unknown device from Device Manager.
1. Click start
2. Right click on My Computer
3. Go to Properties
4. Go to Device Manager
5. Check for a yellow triangle with an exclamation mark
6. Remove this device
7. Follow instructions above

i had a hard time understanding your question- but iim guessing its a software glitch.... what i did to reset mine was redownload the telstra rom from the htc site (htc.com/au/- then go support- then in dfrop down choose htc touch hd- then click download on htc toucch hd rom upgrade asia- then choose telstra settings and download- should be like 100 odd mb.... once installed connect hd to com via active sync (make sure more then 50% battery) and open up this rom update... follow installation instructions and let it run (all automatic- only for htc touch hd tesltra bought in aus) - be aware that this will wipe all stuff on the phone (not memory card) ie calendar contacts (so backup using active sync b4 update your rom) after all this turn on your phone again and it should start up like the first time u ever turned it on ie touch calibration and time/date etc (this should fix any software glitches)

have u installed the software from the given CD with ur phone?try it, may work.if it doesnt then try downloading the software from the net.i havnt heard of this problem before.i myself hav an htc touch n syncing it with vista is even easier.